Home / 378,779,861.58-522,567,482.85-219,982,952.58

Finding the Fourth Proportional to 378,779,861.58, 522,567,482.85 and 219,982,952.58

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Solution

The fourth proportional to 378,779,861.58, 522,567,482.85 and 219,982,952.58 is: 303,490,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,779,861.58 : 522,567,482.85 = 219,982,952.58 : x
  2. Step 2: Convert to fraction form
    378,779,861.58/522,567,482.85 = 219,982,952.58/x
  3. Step 3: Cross multiply
    378,779,861.58x = 522,567,482.85 × 219,982,952.58
  4. Step 4: Simplify right side
    378,779,861.58x = 114,955,937,799,641,520
  5. Step 5: Solve for x
    x = 114,955,937,799,641,520/378,779,861.58
  6. Step 6: Final answer
    x = 303,490,099.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.